get获取Json

前端代码

<!DOCTYPE html>

<html>

    <head>

        <meta charset="utf-8" />

        <script type="text/javascript" src="js/jquery-2.1.4.min.js"></script>

        <title></title>

    </head>

    <body>

        <div >

            小丁的年龄是：<span id="dsh"></span>

        </div>

        <script type="text/javascript">

            $.ajax({

               type: "get",

               url:  "DB.json",

               datatype: "json",//"xml", "html", "script", "html", "jsonp", "text".

               success: function (data,status) {

                   document.getElementById("dsh").innerHTML=data.teacher[1].age;

                   //var js=JSON.stringify(data);//转换成json字符串

               },

               error:   function (data,status) { alert("Ajax请求Json错误");}

             });

        </script>

    </body>

</html>

DB.json

{ "student": [

{ "name": "王老师",  "age": "40" },

{ "name": "丁老师",  "age": "30" }

],

"teacher": [

{ "name": "小王",  "age": "20" },

{ "name": "小丁",  "age": "10" }

] }

效果

get获取Json

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